Home / 7,079.40-10,660.37-5,243.45

Finding the Fourth Proportional to 7,079.40, 10,660.37 and 5,243.45

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Solution

The fourth proportional to 7,079.40, 10,660.37 and 5,243.45 is: 7,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.40 : 10,660.37 = 5,243.45 : x
  2. Step 2: Convert to fraction form
    7,079.40/10,660.37 = 5,243.45/x
  3. Step 3: Cross multiply
    7,079.40x = 10,660.37 × 5,243.45
  4. Step 4: Simplify right side
    7,079.40x = 55,897,037.56
  5. Step 5: Solve for x
    x = 55,897,037.56/7,079.40
  6. Step 6: Final answer
    x = 7,895.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.